Comparison of mediterranean, Western and Japanese diets and some recommendations.

During the past thousands of years, food systems, and thus human diets, have been and are shaped by climate, terrain, seasons, location, culture, and technology. In this context, many types of diet patterns have emerged. Nowadays, numerous epidemiological studies are being conducted in many countries in order to find relationships between empirically identified dietary factors and the occurrence of illnesses. Today, some dietary patterns are described as healthy eating models while others are generally qualified as unhealthy.